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Intangible assets and liabilities other than goodwill (Tables)

12 Months Ended

Dec. 31, 2024

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets and liabilities at December 31, 2024 and 2023 consist of the following:

						December 31, 2024																		December 31, 2023
Intangible assets						Cost						Accumulated Amortization						Net						Cost						Accumulated Amortization						Net
Product certifications						$	777,465					$	(709,855)					$	67,610					$	777,465					$	(658,676)					$	118,789
Patents						888,910						(584,493)						304,417						888,910						(496,807)						392,103
Developed technology						240,000						(188,000)						52,000						240,000						(172,000)						68,000
Trademarks						26,896						—						26,896						26,896						—						26,896
In process R&D						263,936						(141,394)						122,542						263,936						(103,689)						160,247
Favorable contract assets						384,465						(379,839)						4,626						384,465						(376,139)						8,326
Customer contract						$	2,225,123					$	(290,025)					1,935,098						$	1,772,659					$	(110,791)					1,661,868
						$	4,806,795					$	(2,293,606)					$	2,513,189					$	4,354,331					$	(1,918,102)					$	2,436,229
Intangible liability
Unfavorable contract liability						$	2,618,168					$	(2,195,329)					$	422,839					$	2,618,168					$	(2,019,122)					$	599,046

Schedule of Estimated Future Amortization Expense

Aggregate future amortization over the next five years is estimated to be as follows:

						Non-contract related intangibles						Contract related intangibles						Total
2025						$	169,754					$	79,042					$	248,796
2026						168,244						124,483						292,727
2027						167,936						131,199						299,135
2028						23,278						137,208						160,486
2029						5,786						137,208						142,994
Thereafter						11,571						907,745						919,316
						$	546,569					$	1,516,885					$	2,063,454

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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